Marooned on a deadly planet, the crew must work together with their captive Gwyn to stay alive… except the planet isn't the only thing in pursuit.

Kate Mulgrew (Captain Kathryn Janeway)
Brett Gray (Dal R'El)
Ella Purnell (Gwyn)
Jason Mantzoukas (Jankom Pog)
Angus Imrie (Zero)
Rylee Alazraqui (Rok-Tahk)
Dee Bradley Baker (Murf)
Jimmi Simpson (Drednok)
John Noble (The Diviner)

Bonnie Gordon (Ship Computer)

• Star Trek Discovery season 4 episode 1 premieres the same day as this episode. This is the first time two Trek series have run concurrently since Deep Space 9's 7th season and Voyager's 5th in May 1999.
  
• The U.S.S. Protostar includes a new classified system called the Protostar Drive, which Hologram Janeway does not have access to. The crew engages the Protostar Drive to escape The Diviner.
  
• The series breaks after this episode, to return on 6 January 2022.
  
• Paramount announced the first season will be expanded to 20 episodes, and has been renewed for Season 2.